Wiktionary
concurringly
adv. In a concurring manner; concurrently
Usage examples of "concurringly".
Increase Mather calls it “the humble Advice which twelve Ministers concurringly presented before his Excellency and Council,” and it entitles itself “The Return of several Ministers consulted by his Excellency, and the Honourable Council, upon the present Witchcrafts in Salem Village.